2x400mm Linear Motion Rod And Guide Set With 4x8mm Linear Slide Blocks And 4x SK8 Shaft Supports For Your 3D Printer And DIY CNC Rig, Made From Steel Aluminum Alloy For Tight Tolerances, Smooth Moves, Easy Install

Premium 400mm Linear Motion Rod & Guide Set for CNC
✔️ 2x400mm steel rods, 4x8mm blocks, 4x SK8 supports, alloy mix

This 2x400mm linear motion rod and guide set provides rigid, precise linear travel for DIY CNC machines and 3D printers. Built from a steel/aluminum alloy mix, it features clean tolerances for smooth movement and reliable axis performance in common hobby builds.

✅ Length: 400 mm (15.75 in); diameter: 8 mm (0.315 in); tolerance ±0.5 mm
✅ Material: steel rods with aluminum alloy components for strength and light movement
✅ Includes: 2 rods, 4 slide blocks, 4 SK8 shaft supports
✅ Application: ideal for 3D printers, DIY CNC rigs, and automation setups
✅ Easy install with tight fits for smooth, accurate motion

💡 What is a 400 mm linear motion rod and guide set used for in hobby CNC and 3D printers? This handy kit helps create precise, smooth axis movement in DIY machines.
- handy for upgrading axis reliability on X, Y, or Z
- reduces play and wobble for repeatable parts
- works with standard 8 mm slides and SK8 supports
- improves overall print and cut precision